Everhour

Everhour Clients API

Clients and client budgets.

GitHub OpenAPI

Operations 6

GET /clients Get all clients #
POST /clients Create client #
GET /clients/{clientId} Get client #
PUT /clients/{clientId} Update client #
PUT /clients/{clientId}/budget Update client budget #
DELETE /clients/{clientId}/budget Delete client budget #

Documentation

📖
Documentation
https://everhour.docs.apiary.io/
📖
APIReference
https://everhour.docs.apiary.io/#reference/time-records
📖
APIReference
https://everhour.docs.apiary.io/#reference/timers
📖
APIReference
https://everhour.docs.apiary.io/#reference/timesheets
📖
Documentation
https://everhour.docs.apiary.io/#reference/timecards
📖
APIReference
https://everhour.docs.apiary.io/#reference/projects
📖
APIReference
https://everhour.docs.apiary.io/#reference/tasks
📖
APIReference
https://everhour.docs.apiary.io/#reference/schedule
📖
Documentation
https://everhour.docs.apiary.io/#reference/time-off
📖
APIReference
https://everhour.docs.apiary.io/#reference/clients
📖
Documentation
https://everhour.docs.apiary.io/#reference/invoices
📖
APIReference
https://everhour.docs.apiary.io/#reference/expenses
📖
APIReference
https://everhour.docs.apiary.io/#reference/reports
📖
APIReference
https://everhour.docs.apiary.io/#reference/users
📖
APIReference
https://everhour.docs.apiary.io/#reference/webhooks

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/everhour/refs/heads/main/openapi/everhour-clients-api-openapi.yml

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/everhour/refs/heads/main/apis.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/everhour-clients-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

everhour-clients-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Everhour Clients API
  description: The Everhour API is a RESTful interface providing programmatic access to time tracking, timesheets, timers, projects, tasks, clients, invoices, expenses, resource scheduling, time off, and reporting data in Everhour.
  version: '1.2'
  contact:
    name: Everhour
    url: https://everhour.com
    email: ask@everhour.com
servers:
- url: https://api.everhour.com
  description: Everhour production API
security:
- apiKey: []
tags:
- name: Clients
  description: Clients and client budgets.
paths:
  /clients:
    get:
      operationId: getAllClients
      tags:
      - Clients
      summary: Get all clients
      description: Returns clients, optionally filtered by name query.
      parameters:
      - name: query
        in: query
        description: Search clients by name.
        schema:
          type: string
      responses:
        '200':
          description: A list of clients.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Client'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
    post:
      operationId: createClient
      tags:
      - Clients
      summary: Create client
      description: Creates a client and optionally links projects to it.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ClientRequest'
      responses:
        '201':
          description: The created client.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Client'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
  /clients/{clientId}:
    parameters:
    - $ref: '#/components/parameters/ClientId'
    get:
      operationId: getClient
      tags:
      - Clients
      summary: Get client
      description: Returns a single client by ID.
      responses:
        '200':
          description: The client.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Client'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
    put:
      operationId: updateClient
      tags:
      - Clients
      summary: Update client
      description: Updates a client.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ClientRequest'
      responses:
        '200':
          description: The updated client.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Client'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
  /clients/{clientId}/budget:
    parameters:
    - $ref: '#/components/parameters/ClientId'
    put:
      operationId: updateClientBudget
      tags:
      - Clients
      summary: Update client budget
      description: Sets or updates a client budget - money, time, or costs based, with general, monthly, weekly, or daily periods, thresholds, and overbudget protection.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ClientBudget'
      responses:
        '200':
          description: The client with the updated budget.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Client'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
    delete:
      operationId: deleteClientBudget
      tags:
      - Clients
      summary: Delete client budget
      description: Removes the budget from a client.
      responses:
        '204':
          description: Client budget deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
components:
  schemas:
    Client:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
        projects:
          type: array
          description: Project IDs linked to the client.
          items:
            type: string
        businessDetails:
          type: string
        budget:
          $ref: '#/components/schemas/ClientBudget'
    Error:
      type: object
      properties:
        code:
          type: integer
        message:
          type: string
    ClientRequest:
      type: object
      required:
      - name
      properties:
        name:
          type: string
        projects:
          type: array
          items:
            type: string
        businessDetails:
          type: string
    ClientBudget:
      type: object
      required:
      - type
      - budget
      - period
      properties:
        type:
          type: string
          description: Budget type - money, time, or costs.
          enum:
          - money
          - time
          - costs
        budget:
          type: integer
          description: Budget value in cents (money) or seconds (time).
        period:
          type: string
          enum:
          - general
          - monthly
          - weekly
          - daily
        appliedFrom:
          type: string
          format: date
        disallowOverbudget:
          type: boolean
        excludeUnbillableTime:
          type: boolean
        excludeExpenses:
          type: boolean
        threshold:
          type: integer
          description: Email admins when this percentage (1-100) of the budget is reached.
        progress:
          type: integer
          readOnly: true
          description: Current budget usage in cents or seconds.
  responses:
    TooManyRequests:
      description: Rate limit exceeded (around 20 requests per 10 seconds per API key). The Retry-After response header specifies the number of seconds to wait before making another request.
      headers:
        Retry-After:
          description: Seconds to wait before retrying.
          schema:
            type: integer
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid X-Api-Key header.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    ClientId:
      name: clientId
      in: path
      required: true
      description: Client ID.
      schema:
        type: integer
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: X-Api-Key
      description: API key from the bottom of your Everhour profile page.